/Engine/Source/Runtime/AnimGraphRuntime/Public/BoneControllers/AnimNode_Constraint.h
Constraint Set up
struct FConstraint
int32
ConstraintDataIndex
Transient constraint data index
EConstraintOffs...
OffsetOption
Maintain offset based on refpose or not.
FFilterOptionPe...
PerAxis
Per axis filter options - applied in their local space not in world space
FBoneReference
TargetBone
Target Bone this is constraint to
ETransformConst...
TransformType
What transform type is constraint to - Translation, Rotation, Scale OR Parent.